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#!/bin/bash
# This script records video.
# It also names files smartly to prevent overwrites.
# Picks a file name for the output file based on availability:
while [[ -f $HOME/video$n.mkv ]]
do
n=$((n+1))
done
filename="$HOME/video$n.mkv"
# The actual ffmpeg command:
ffmpeg \
-f x11grab \
-s $(xdpyinfo | grep dimensions | awk '{print $2;}') \
-i :0.0 \
-c:v libx264 -qp 0 -r 30 $filename
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